
Hair tests can be used to determine whether an individual has consumed drugs or medications within the past three months. Hair follicle tests can be used to detect magic mushroom use, as they can identify the presence of psilocybin and psilocin, the metabolites produced when the body breaks down the psychoactive compound psilocybin. However, there are limitations to hair tests, as psilocybin and psilocin are sensitive to water, light, air, and temperature, and can be challenging to interpret.
| Characteristics | Values |
|---|---|
| Detection of magic mushrooms in hair tests | Yes, but with caveats |
| Detection window | Up to 3 months |
| Detection target | Psilocin, the metabolite of psilocybin |
| Hair sample | Standard 1.5-inch hair sample |
| Limitations | Interpretation of hair tests for psilocin is difficult; only a few positive test results |
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What You'll Learn

Magic mushrooms are detectable in hair for up to 3 months
Magic mushrooms, also known as psilocybin, are classified as a Class A drug under the Misuse of Drugs Act 1971. Possession of magic mushrooms can result in up to seven years of imprisonment, an unlimited fine, or both. The production and supply of these mushrooms carry even harsher penalties, including life imprisonment.
While standard 5 or 10-panel drug tests do not typically detect magic mushrooms, specialized tests can identify their presence. Hair tests are one of the most effective methods for detecting recent and ongoing magic mushroom misuse. This is because hair and fingernails tend to retain psilocybin for a longer period.
Hair follicle testing can reveal past magic mushroom use for up to three months. Each 1 cm of hair represents one month of drug misuse. If psilocybin is detected in a 3 cm hair sample, it indicates consumption over the past three months. The standard detection time for a head hair test is approximately 90 days, with each 0.5 inches of hair growth reflecting roughly one month.
However, it is important to note that interpreting hair tests for psilocybin and psilocin, its metabolite, can be challenging. While psilocybin is not psychoactive, it is converted by the body into psilocin, which induces hallucinations. Psilocin is sensitive to water, light, air, and temperature, making it difficult to identify in hair specimens.
To accurately detect psilocin, a specific method involving incubating a 10 mg hair sample in acid methanol at 4 °C is employed. This procedure must be completed within one working day to prevent psilocin degradation. Despite these challenges, hair tests remain a valuable tool for legal professionals and medical staff to assess magic mushroom misuse.
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Hair follicle tests can identify psilocybin
When someone consumes magic mushrooms, psilocin is distributed throughout the body via the bloodstream and can become incorporated into the hair follicles through blood, sweat, and sebum. This means that even after the initial effects of magic mushrooms have worn off, psilocin can remain detectable in hair follicles for up to 90 days.
The detection window for psilocybin in hair follicle tests is significantly longer than that of other types of drug tests, such as urine, blood, or saliva tests, which typically have detection windows of up to 24 hours or less. This makes hair follicle tests a valuable tool for detecting past or ongoing magic mushroom use, particularly in legal or forensic contexts.
However, it is important to note that interpreting hair follicle tests for psilocybin and psilocin can be challenging. Psilocybin is a labile substance that is sensitive to light and air, and it has been reported that psilocybin was not detected in some hair specimens from magic mushroom consumers. On the other hand, psilocin has been proposed as the target substance for detecting magic mushroom use, but it has been very rarely identified in the hair of abusers of magic mushrooms.
The interpretation of hair tests for psilocin is difficult, and there are several issues that require further research and discussion within the scientific community before definitive conclusions can be drawn from positive or negative test results. Nonetheless, hair follicle tests remain a reliable method for detecting long-term drug use, and in the case of psilocybin, they can provide valuable information about past or ongoing magic mushroom consumption.
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Standard drug tests don't detect magic mushrooms
Standard drug tests do not detect magic mushrooms. The most common types of drug tests are 5-panel or 10-panel urine tests, which are routinely used by employers or probation offices. These tests typically focus on more commonly abused substances like THC (marijuana), cocaine, amphetamines, opiates, and PCP.
Magic mushrooms are a type of fungi that contain the psychoactive compounds psilocybin and psilocin. Psilocybin itself is not psychoactive but is a prodrug that the body converts into psilocin, the compound responsible for the hallucinogenic effects. While standard drug tests rarely screen for psilocybin or psilocin, specialized tests can detect their presence under certain circumstances. These specialized tests are designed to detect psilocybin or psilocin in urine, saliva, blood, or hair follicles.
Hair sample drug tests are the most effective method of detecting recent and ongoing magic mushroom misuse. Although it might take up to 2-3 weeks for the metabolites to reach the keratin fibres of the hair, once they do, the detection window is as long as the hair sample. Each 1 cm of hair represents one month of drug misuse. If psilocybin is detectable in 3 cm of hair, it can be assumed that consumption occurred over a period of 3 months.
The standard detection time for a head hair test is approximately 90 days, with each 1/2 inch of hair growth providing a snapshot of drug use over the past 30 days. It is important to note that hair tests can be performed on hair from 30 days to up to a year, depending on the timeframe selected and the location where the specimen was collected.
In summary, standard drug tests do not typically detect magic mushrooms, but specialized tests can be employed to identify the presence of psilocybin or psilocin in various bodily substances, including hair. Hair tests, in particular, offer a longer detection window and are effective in identifying recent and ongoing magic mushroom misuse.
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The detection window for urine tests is up to 24 hours
Magic mushrooms, also known as psilocybin, are potent psychedelic fungi that contain the mind-altering substance psilocybin. Once metabolised into psilocin, users experience hallucinations. The Misuse of Drugs Act 1971 classifies magic mushrooms as a class A drug, with serious consequences for possession, supply, and production.
While standard 5 or 10-panel drug tests won't detect magic mushrooms, specialised tests can identify psilocybin and psilocin in urine, blood, hair, saliva, and fingernails. The detection window for urine tests is typically up to 24 hours after consumption, making this type of drug test suitable for on-the-day offences like road traffic accidents or court appearances. Blood tests have a slightly longer detection window of up to 15 hours, while saliva tests are shorter, usually less than 24 hours.
Hair sample drug tests are the most effective method for detecting recent and ongoing magic mushroom misuse. Although it can take up to 2-3 weeks for the metabolites to reach the keratin fibres of the hair, once they do, the detection window is as long as the hair sample. Each 1 cm of hair represents one month of drug misuse. For example, if psilocybin is detectable in a 3 cm hair sample, it indicates consumption over the past 3 months. Similarly, fingernail tests have a long detection window of 3-6 months, but it can take longer for the drugs to show up, typically 1-2 weeks.
The standard detection time for a head hair test is approximately 90 days, with each 0.5 inches of hair growth representing one month. It is important to note that body hair and nail testing cannot be segmented into different time frames like head hair. When aiming for a negative result, it is recommended to wait at least 2 weeks plus 90 days from the last drug usage before providing a hair sample for testing. This is because it takes approximately 10-14 days for any drug use to enter the hair or nails.
The detection of magic mushrooms in hair samples depends on several factors, including the type and potency of the mushroom, dose, personal tolerance, preparation method, consumption with food or drink, and individual metabolism. Additionally, the analytical procedure for testing hair samples must be completed within one working day due to the lability of psilocin. Overall, while urine tests have a short detection window for magic mushrooms, hair tests provide a much longer detection window, making them valuable for legal and forensic purposes.
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Magic mushrooms are classified as a class A drug
Magic mushrooms, or psilocybin, are classified as a Class A drug in the UK and possession is punishable by up to seven years in prison, an unlimited fine, or both. Supplying and producing them can result in life imprisonment. Despite this, magic mushrooms have been shown to have some of the lowest rates of harm of any drug and studies have indicated their potential for treating serious depression.
The classification of magic mushrooms as a Class A drug has been criticised by experts who argue that the decision was based on political motives rather than evidence of harm. The potential risk of harm and abuse associated with magic mushrooms is significantly lower than that of other legal or less strictly controlled substances.
Research suggests that psilocybin, the main ingredient in magic mushrooms, has a low potential for abuse and is relatively less harmful than other drugs. Animal and human studies show that psilocybin does not lead to compulsive abuse, and people who have used it typically report using it a few times in their lifetime. Additionally, psilocybin has the lowest potential for lethal overdose as there is no known overdose level.
While magic mushrooms are currently classified as a Schedule I drug in the US, meaning they have no accepted medical use, researchers at Johns Hopkins suggest that they should be reclassified as Schedule IV drugs if they clear phase III clinical trials. This would place them in the same category as prescription sleep aids, but with tighter control.
Hair tests can be used to detect the use of magic mushrooms, specifically by targeting the presence of psilocin, the metabolite of psilocybin. However, interpretation of hair tests for psilocin is difficult due to its sensitivity to water, light, air, and temperature. The detection window for magic mushrooms in hair samples can be up to several weeks, and each 1 cm of hair growth represents one month of drug use.
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Frequently asked questions
Yes, hair tests can detect the use of magic mushrooms. However, these tests are specialised and not as common as urine tests.
The standard detection window for a hair test is approximately 90 days. However, it can vary from 30 days to up to a year, depending on the hair length, the timeframe selected, and the location where the specimen was collected.
Interpreting hair tests for psilocin, the key analyte to document magic mushroom exposure, is very difficult. There are limited data, and the results are sometimes controversial. Additionally, psilocin is sensitive to water, light, air, and temperature, requiring specific conditions during testing.

























